# | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
---|---|---|---|---|---|---|---|
839591 | 2023-08-30T10:04:40 Z | kyaruru | Pipes (CEOI15_pipes) | C++17 | 컴파일 오류 |
0 ms | 0 KB |
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<int, int> pii; typedef pair<ll, ll> pll; vector<int> adj[100001]; vector<int> tin(100001,-1),low(100001,-1); vector<pii> ans; bool vi[100001]; int t=0; void dfs(int x,int p=-1){ vi[x]=true; tin[x]=low[x]=t++; for(int u:adj[x]){ if(u==p) continue; if(vi[u]){ low[x]=min(low[x],tin[u]); }else{ dfs(u,x); low[x]=min(low[x],low[u]); if(low[u]>tin[x]) cout>>u>>" ">>x>>"₩n"; } } } int main() { ios::sync_with_stdio(0); cin.tie(0); int a,b; cin>>a>>b; for(int i=0; i<b; i++){ int x,y; cin>>x>>y; adj[x].push_back(y); adj[y].push_back(x); } for(int i=1; i<=a; i++){ if(!vi[i]) dfs(i); } }
Compilation message
pipes.cpp: In function 'void dfs(int, int)': pipes.cpp:25:35: error: no match for 'operator>>' (operand types are 'std::ostream' {aka 'std::basic_ostream<char>'} and 'int') 25 | if(low[u]>tin[x]) cout>>u>>" ">>x>>"₩n"; | ~~~~^~~ | | | | | int | std::ostream {aka std::basic_ostream<char>} pipes.cpp:25:35: note: candidate: 'operator>>(int, int)' (built-in) 25 | if(low[u]>tin[x]) cout>>u>>" ">>x>>"₩n"; | ~~~~^~~ pipes.cpp:25:35: note: no known conversion for argument 1 from 'std::ostream' {aka 'std::basic_ostream<char>'} to 'int' In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:45, from pipes.cpp:1: /usr/include/c++/10/cstddef:130:5: note: candidate: 'template<class _IntegerType> constexpr std::__byte_op_t<_IntegerType> std::operator>>(std::byte, _IntegerType)' 130 | operator>>(byte __b, _IntegerType __shift) noexcept | ^~~~~~~~ /usr/include/c++/10/cstddef:130:5: note: template argument deduction/substitution failed: pipes.cpp:25:31: note: cannot convert 'std::cout' (type 'std::ostream' {aka 'std::basic_ostream<char>'}) to type 'std::byte' 25 | if(low[u]>tin[x]) cout>>u>>" ">>x>>"₩n"; | ^~~~ In file included from /usr/include/c++/10/string:56, from /usr/include/c++/10/bits/locale_classes.h:40, from /usr/include/c++/10/bits/ios_base.h:41, from /usr/include/c++/10/ios:42, from /usr/include/c++/10/istream:38, from /usr/include/c++/10/sstream:38, from /usr/include/c++/10/complex:45, from /usr/include/c++/10/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54, from pipes.cpp:1: /usr/include/c++/10/bits/basic_string.tcc:1476:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&)' 1476 | operator>>(basic_istream<_CharT, _Traits>& __in, | ^~~~~~~~ /usr/include/c++/10/bits/basic_string.tcc:1476:5: note: template argument deduction/substitution failed: pipes.cpp:25:37: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>' 25 | if(low[u]>tin[x]) cout>>u>>" ">>x>>"₩n"; | ^ In file included from /usr/include/c++/10/istream:991, from /usr/include/c++/10/sstream:38, from /usr/include/c++/10/complex:45, from /usr/include/c++/10/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54, from pipes.cpp:1: /usr/include/c++/10/bits/istream.tcc:931:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, _CharT&)' 931 | operator>>(basic_istream<_CharT, _Traits>& __in, _CharT& __c) | ^~~~~~~~ /usr/include/c++/10/bits/istream.tcc:931:5: note: template argument deduction/substitution failed: pipes.cpp:25:37: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>' 25 | if(low[u]>tin[x]) cout>>u>>" ">>x>>"₩n"; | ^ In file included from /usr/include/c++/10/sstream:38, from /usr/include/c++/10/complex:45, from /usr/include/c++/10/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54, from pipes.cpp:1: /usr/include/c++/10/istream:756:5: note: candidate: 'template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(std::basic_istream<char, _Traits>&, unsigned char&)' 756 | operator>>(basic_istream<char, _Traits>& __in, unsigned char& __c) | ^~~~~~~~ /usr/include/c++/10/istream:756:5: note: template argument deduction/substitution failed: pipes.cpp:25:37: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<char, _Traits>' 25 | if(low[u]>tin[x]) cout>>u>>" ">>x>>"₩n"; | ^ In file included from /usr/include/c++/10/sstream:38, from /usr/include/c++/10/complex:45, from /usr/include/c++/10/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54, from pipes.cpp:1: /usr/include/c++/10/istream:761:5: note: candidate: 'template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(std::basic_istream<char, _Traits>&, signed char&)' 761 | operator>>(basic_istream<char, _Traits>& __in, signed char& __c) | ^~~~~~~~ /usr/include/c++/10/istream:761:5: note: template argument deduction/substitution failed: pipes.cpp:25:37: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<char, _Traits>' 25 | if(low[u]>tin[x]) cout>>u>>" ">>x>>"₩n"; | ^ In file included from /usr/include/c++/10/istream:991, from /usr/include/c++/10/sstream:38, from /usr/include/c++/10/complex:45, from /usr/include/c++/10/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54, from pipes.cpp:1: /usr/include/c++/10/bits/istream.tcc:963:5: note: candidate: 'template<class _CharT2, class _Traits2> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, _CharT2*)' 963 | operator>>(basic_istream<_CharT, _Traits>& __in, _CharT* __s) | ^~~~~~~~ /usr/include/c++/10/bits/istream.tcc:963:5: note: template argument deduction/substitution failed: pipes.cpp:25:37: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>' 25 | if(low[u]>tin[x]) cout>>u>>" ">>x>>"₩n"; | ^ In file included from /usr/include/c++/10/sstream:38, from /usr/include/c++/10/complex:45, from /usr/include/c++/10/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54, from pipes.cpp:1: /usr/include/c++/10/istream:803:5: note: candidate: 'template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(std::basic_istream<char, _Traits>&, unsigned char*)' 803 | operator>>(basic_istream<char, _Traits>& __in, unsigned char* __s) | ^~~~~~~~ /usr/include/c++/10/istream:803:5: note: template argument deduction/substitution failed: pipes.cpp:25:37: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<char, _Traits>' 25 | if(low[u]>tin[x]) cout>>u>>" ">>x>>"₩n"; | ^ In file included from /usr/include/c++/10/sstream:38, from /usr/include/c++/10/complex:45, from /usr/include/c++/10/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54, from pipes.cpp:1: /usr/include/c++/10/istream:808:5: note: candidate: 'template<class _Traits> std::basic_istream<char, _Traits>& std::operator>>(std::basic_istream<char, _Traits>&, signed char*)' 808 | operator>>(basic_istream<char, _Traits>& __in, signed char* __s) | ^~~~~~~~ /usr/include/c++/10/istream:808:5: note: template argument deduction/substitution failed: pipes.cpp:25:37: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<char, _Traits>' 25 | if(low[u]>tin[x]) cout>>u>>" ">>x>>"₩n"; | ^ In file included from /usr/include/c++/10/sstream:38, from /usr/include/c++/10/complex:45, from /usr/include/c++/10/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54, from pipes.cpp:1: /usr/include/c++/10/istream:980:5: note: candidate: 'template<class _Istream, class _Tp> typename std::enable_if<std::__and_<std::__not_<std::is_lvalue_reference<_Tp> >, std::__is_convertible_to_basic_istream<_Istream>, std::__is_extractable<typename std::__is_convertible_to_basic_istream<_Tp>::__istream_type, _Tp&&, void> >::value, typename std::__is_convertible_to_basic_istream<_Tp>::__istream_type>::type std::operator>>(_Istream&&, _Tp&&)' 980 | operator>>(_Istream&& __is, _Tp&& __x) | ^~~~~~~~ /usr/include/c++/10/istream:980:5: note: template argument deduction/substitution failed: /usr/include/c++/10/istream: In substitution of 'template<class _Istream, class _Tp> typename std::enable_if<std::__and_<std::__not_<std::is_lvalue_reference<_Tp> >, std::__is_convertible_to_basic_istream<_Istream>, std::__is_extractable<typename std::__is_convertible_to_basic_istream<_Tp>::__istream_type, _Tp&&, void> >::value, typename std::__is_convertible_to_basic_istream<_Tp>::__istream_type>::type std::operator>>(_Istream&&, _Tp&&) [with _Istream = std::basic_ostream<char>&; _Tp = int&]': pipes.cpp:25:37: required from here /usr/include/c++/10/istream:980:5: error: no type named 'type' in 'struct std::enable_if<false, void>' In file included from /usr/include/c++/10/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54, from pipes.cpp:1: /usr/include/c++/10/complex:500:5: note: candidate: 'template<class _Tp, class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::complex<_Tp>&)' 500 | operator>>(basic_istream<_CharT, _Traits>& __is, complex<_Tp>& __x) | ^~~~~~~~ /usr/include/c++/10/complex:500:5: note: template argument deduction/substitution failed: pipes.cpp:25:37: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>' 25 | if(low[u]>tin[x]) cout>>u>>" ">>x>>"₩n"; | ^ In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:66, from pipes.cpp:1: /usr/include/c++/10/bitset:1472:5: note: candidate: 'template<class _CharT, class _Traits, long unsigned int _Nb> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::bitset<_Nb>&)' 1472 | operator>>(std::basic_istream<_CharT, _Traits>& __is, bitset<_Nb>& __x) | ^~~~~~~~ /usr/include/c++/10/bitset:1472:5: note: template argument deduction/substitution failed: pipes.cpp:25:37: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>' 25 | if(low[u]>tin[x]) cout>>u>>" ">>x>>"₩n"; | ^ In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:72, from pipes.cpp:1: /usr/include/c++/10/iomanip:71:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Resetiosflags)' 71 | operator>>(basic_istream<_CharT, _Traits>& __is, _Resetiosflags __f) | ^~~~~~~~ /usr/include/c++/10/iomanip:71:5: note: template argument deduction/substitution failed: pipes.cpp:25:37: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>' 25 | if(low[u]>tin[x]) cout>>u>>" ">>x>>"₩n"; | ^ In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:72, from pipes.cpp:1: /usr/include/c++/10/iomanip:101:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Setiosflags)' 101 | operator>>(basic_istream<_CharT, _Traits>& __is, _Setiosflags __f) | ^~~~~~~~ /usr/include/c++/10/iomanip:101:5: note: template argument deduction/substitution failed: pipes.cpp:25:37: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>' 25 | if(low[u]>tin[x]) cout>>u>>" ">>x>>"₩n"; | ^ In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:72, from pipes.cpp:1: /usr/include/c++/10/iomanip:132:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Setbase)' 132 | operator>>(basic_istream<_CharT, _Traits>& __is, _Setbase __f) | ^~~~~~~~ /usr/include/c++/10/iomanip:132:5: note: template argument deduction/substitution failed: pipes.cpp:25:37: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>' 25 | if(low[u]>tin[x]) cout>>u>>" ">>x>>"₩n"; | ^ In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:72, from pipes.cpp:1: /usr/include/c++/10/iomanip:170:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Setfill<_CharT>)' 170 | operator>>(basic_istream<_CharT, _Traits>& __is, _Setfill<_CharT> __f) | ^~~~~~~~ /usr/include/c++/10/iomanip:170:5: note: template argument deduction/substitution failed: pipes.cpp:25:37: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>' 25 | if(low[u]>tin[x]) cout>>u>>" ">>x>>"₩n"; | ^ In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:72, from pipes.cpp:1: /usr/include/c++/10/iomanip:200:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Setprecision)' 200 | operator>>(basic_istream<_CharT, _Traits>& __is, _Setprecision __f) | ^~~~~~~~ /usr/include/c++/10/iomanip:200:5: note: template argument deduction/substitution failed: pipes.cpp:25:37: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>' 25 | if(low[u]>tin[x]) cout>>u>>" ">>x>>"₩n"; | ^ In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:72, from pipes.cpp:1: /usr/include/c++/10/iomanip:230:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Setw)' 230 | operator>>(basic_istream<_CharT, _Traits>& __is, _Setw __f) | ^~~~~~~~ /usr/include/c++/10/iomanip:230:5: note: template argument deduction/substitution failed: pipes.cpp:25:37: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>' 25 | if(low[u]>tin[x]) cout>>u>>" ">>x>>"₩n"; | ^ In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:72, from pipes.cpp:1: /usr/include/c++/10/iomanip:264:5: note: candidate: 'template<class _CharT, class _Traits, class _MoneyT> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Get_money<_MoneyT>)' 264 | operator>>(basic_istream<_CharT, _Traits>& __is, _Get_money<_MoneyT> __f) | ^~~~~~~~ /usr/include/c++/10/iomanip:264:5: note: template argument deduction/substitution failed: pipes.cpp:25:37: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>' 25 | if(low[u]>tin[x]) cout>>u>>" ">>x>>"₩n"; | ^ In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:72, from pipes.cpp:1: /usr/include/c++/10/iomanip:418:5: note: candidate: 'template<class _CharT, class _Traits> std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::_Get_time<_CharT>)' 418 | operator>>(basic_istream<_CharT, _Traits>& __is, _Get_time<_CharT> __f) | ^~~~~~~~ /usr/include/c++/10/iomanip:418:5: note: template argument deduction/substitution failed: pipes.cpp:25:37: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'std::basic_istream<_CharT, _Traits>' 25 | if(low[u]>tin[x]) cout>>u>>" ">>x>>"₩n"; | ^ In file included from /usr/include/c++/10/valarray:603, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95, from pipes.cpp:1: /usr/include/c++/10/bits/valarray_after.h:414:5: note: candidate: 'template<class _Dom1, class _Dom2> std::_Expr<std::__detail::_BinClos<std::__shift_right, std::_Expr, std::_Expr, _Dom1, _Dom2>, typename std::__fun<std::__shift_right, typename _Dom1::value_type>::result_type> std::operator>>(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::_Expr<_Dom2, typename _Dom2::value_type>&)' 414 | _DEFINE_EXPR_BINARY_OPERATOR(>>, __shift_right) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ /usr/include/c++/10/bits/valarray_after.h:414:5: note: template argument deduction/substitution failed: pipes.cpp:25:37: note: 'std::ostream' {aka 'std::basic_ostream<char>'} is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>' 25 | if(low[u]>tin[x]) cout>>u>>" ">>x>>"₩n"; | ^ In file included from /usr/include/c++/10/valarray:603, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95, from pipes.cpp:1: /usr/include/c++/10/bits/valarray_after.h:414:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__shift_right, std::_Expr,